633471432 has 64 divisors (see below), whose sum is σ = 1730894400. Its totient is φ = 191600640.

The previous prime is 633471409. The next prime is 633471439. The reversal of 633471432 is 234174336.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 633471393 and 633471402.

It is not an unprimeable number, because it can be changed into a prime (633471439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160944 + ... + 164832.

It is an arithmetic number, because the mean of its divisors is an integer number (27045225).

Almost surely, 2^633471432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633471432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865447200).

633471432 is an abundant number, since it is smaller than the sum of its proper divisors (1097422968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633471432 is a wasteful number, since it uses less digits than its factorization.

633471432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526 (or 4522 counting only the distinct ones).

The product of its digits is 36288, while the sum is 33.

The square root of 633471432 is about 25168.8583769705. The cubic root of 633471432 is about 858.8335691996.

The spelling of 633471432 in words is "six hundred thirty-three million, four hundred seventy-one thousand, four hundred thirty-two".